Rock, MI Weather & Growing Conditions
Today
66°F
Mostly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 5pm. Mostly cloudy. High near 66, with temperatures falling to around 63 in the afternoon. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph SE | 18% |
| Tonight | 46°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph NE | 24% |
| Sunday | 66°F | Mostly Sunny | 5 to 15 mph N | 5% |
| Sunday Night | 39°F | Mostly Cloudy | 5 to 15 mph NE | 0% |
| Monday | 61°F | Partly Sunny | 5 mph NE | 0% |
| Monday Night | 35°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Tuesday | 65°F | Sunny | 0 to 5 mph E | 0% |
| Tuesday Night | 38°F | Mostly Clear | 0 to 5 mph E | 1% |
| Wednesday | 68°F | Sunny | 0 to 10 mph E | 1% |
| Wednesday Night | 41°F | Mostly Clear | 0 to 5 mph E | 0% |
| Thursday | 70°F | Sunny | 0 to 5 mph NE | 2% |
| Thursday Night | 42°F | Partly Cloudy | 0 to 5 mph NE | 2% |
| Friday | 72°F | Mostly Sunny | 0 to 5 mph E | 2% |
| Friday Night | 43°F | Partly Cloudy | 0 to 5 mph E | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rock, MI
Last spring frost
May 18
First fall frost
Oct 4
Growing season
137 days
Hardiness zone
5a
Explore more for Rock, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Rapid Rvr 4Sse, Mi (11.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.